Statures of fossil Homo
Homo erectus and Neandertals were more or less human-sized. That may not be saying much, since we are so variable in stature ourselves.
Homo erectus and Neandertals were more or less human-sized. That may not be saying much, since we are so variable in stature ourselves.
Dental plaque is a biofilm made up of bacteria adhering to the enamel surface of the teeth. Plaque is soft but over many days can gradually calcify. The hard...